import {mapGetters} from "vuex"

export default {
  computed:{
    ...mapGetters('m_cart',['total'])
  },
  watch :{
    total(){
      this.setBadge()
    }
  },
  onShow() {
    this.setBadge()
  },
    methods:{
      setBadge(){
        uni.setTabBarBadge({
          index :2,
          text : this.total + ''
        })
      }
    }
}